Common Weakness Enumeration
CWE-306
AllowedMissing Authentication for Critical Function
Abstraction: Base · Status: Draft
The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.
4884 vulnerabilities reference this CWE, most recent first.
CVE-2026-69111 (GCVE-0-2026-69111)
Vulnerability from cvelistv5 – Published: 2026-08-05 19:18 – Updated: 2026-08-06 14:35 X_Open Source
VLAI
EPSS
VEX
Title
Milvus 2.6.22, 3.0.0 Unauthenticated Denial of Service via /management/stop
Summary
Milvus through 2.6.22 and 3.0.0 contains an unauthenticated denial of service vulnerability that allows remote attackers to terminate service components by sending a crafted HTTP GET request to the management server on port 9091. Attackers can exploit the unprotected /management/stop endpoint, which bypasses REST API authentication middleware, by supplying a 'role' parameter to shut down the proxy, datanode, or querynode components, resulting in denial of service.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-06 14:35 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/milvus-io/milvus/issues/50763 | technical-descriptionexploit |
| https://github.com/milvus-io/milvus/pull/49847 | issue-tracking |
| https://github.com/milvus-io/milvus/pull/51573 | issue-tracking |
| https://www.vulncheck.com/advisories/milvus-unaut… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| milvus-io | milvus |
Affected:
0 , ≤ 2.6.22
(semver)
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Date Public
2026-06-24 00:00
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CVE-2026-69091 (GCVE-0-2026-69091)
Vulnerability from cvelistv5 – Published: 2026-08-03 13:20 – Updated: 2026-08-03 15:36
VLAI
EPSS
VEX
Title
Admidio before 5.0.11 Authentication Bypass via forum.php
Summary
Admidio before 5.0.11 contains an authentication bypass vulnerability in the forum module when configured in login-only mode. The access control logic in modules/forum.php fails to validate the login-only configuration state, allowing unauthenticated attackers to read forum topics and posts by directly accessing the module with read-only parameters.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-03 15:00 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/Admidio/admidio/security/advis… | vendor-advisory |
| https://www.vulncheck.com/advisories/admidio-befo… | third-party-advisory |
Impacted products
Date Public
2026-07-20 00:00
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CVE-2026-68953 (GCVE-0-2026-68953)
Vulnerability from cvelistv5 – Published: 2026-09-15 20:20 – Updated: 2026-09-16 17:52
VLAI
EPSS
VEX
Title
Missing Authentication for Critical Function in Digital Watchdog VMAX DVR and NVR Product Lineups
Summary
The affected products are vulnerable to an authentication bypass that allows unauthenticated remote attackers to disclose sensitive device information, including administrator credentials in plaintext, by sending crafted HTTP(S) requests.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-16 17:51 UTC
CWE
- CWE-306 - Missing authentication for critical function
Assigner
References
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| Digital Watchdog | VMAX A1 G4 DVR |
Affected:
All
|
|
| Digital Watchdog | VMAX IP G4 NVR |
Affected:
All
|
|
| Digital Watchdog | VMAX A1 PLUS |
Affected:
All
|
|
| Digital Watchdog | VA1G4 Recorder |
Affected:
All
|
|
| Digital Watchdog | VG4 Recorder |
Affected:
All
|
Date Public
2026-09-15 18:28
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CVE-2026-68929 (GCVE-0-2026-68929)
Vulnerability from cvelistv5 – Published: 2026-08-27 20:21 – Updated: 2026-08-28 17:48
VLAI
EPSS
VEX
Title
FastGPT: Unauthenticated WeChat channel hijack and denial of service via shareId-only authorization
Summary
FastGPT is an open-source LLM platform for building AI applications on a knowledge base. In versions prior to 4.15.2, the WeChat (iLink) share-channel endpoints authorize requests using only the public shareId, with no authenticated identity or team-ownership check. As a result, an unauthenticated attacker who knows a victim team's shareId can take that team's WeChat bot offline or hijack the channel to their own bot: the logout endpoint is gated only by an existence check yet wipes the outLink's stored WeChat token, and the QR-code status endpoint performs no authorization at all and writes attacker-supplied bot credentials into the outLink identified by shareId. By generating a QR for a victim shareId, scanning it with their own WeChat, and calling the status endpoint, an attacker binds the victim team's app to the attacker's bot, exposing the app's private responses, displacing the legitimate binding, and consuming the victim's resources. The shareId is exposed in every shared chat URL, iframe, and embed, so it is not a secret. This issue is fixed in version 4.15.2.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 17:46 UTC
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/labring/FastGPT/security/advis… | x_refsource_CONFIRM |
| https://github.com/labring/FastGPT/commit/81d3919… | x_refsource_MISC |
Impacted products
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CVE-2026-68578 (GCVE-0-2026-68578)
Vulnerability from cvelistv5 – Published: 2026-08-02 12:15 – Updated: 2026-08-03 15:44
VLAI
EPSS
VEX
Title
ArcadeDB before 26.7.3 Authentication Bypass via MCP Transport
Summary
ArcadeDB versions before 26.7.3 fail to bind the authenticated principal in the MCP HTTP transport, causing all engine permission checks to silently pass as no-ops. Non-root MCP-allowed users can perform arbitrary database writes, DDL, schema mutations, and execute arbitrary JavaScript code via the query tool.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-03 15:42 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/ArcadeData/arcadedb/security/a… | vendor-advisory |
| https://www.vulncheck.com/advisories/arcadedb-aut… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ArcadeData | arcadedb |
Affected:
0 , < 26.7.3
(semver)
Unaffected: 26.7.3 (semver) |
Date Public
2026-07-17 00:00
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CVE-2026-68502 (GCVE-0-2026-68502)
Vulnerability from cvelistv5 – Published: 2026-07-30 20:38 – Updated: 2026-07-31 14:07
VLAI
EPSS
VEX
Title
LazyOwn: Unauthenticated Socket.IO `input` Event Reaches LazyOwn Command Dispatcher — Unauthenticated RCE
Summary
LazyOwn RedTeam/APT Framework is an AI-powered C2 and red-team operations framework. Prior to 0.2.154, LazyOwn's lazyc2.py registers an unauthenticated Socket.IO input event handler that dispatches data.get('value') to LazyOwnShell.one_cmd, reaching LazyOwnShell.do_cmd and subprocess.call(command, shell=True), allowing unauthenticated remote code execution in the C2 process. This issue is fixed in 0.2.154.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-31 14:07 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/grisuno/LazyOwn/security/advis… | x_refsource_CONFIRM |
| https://github.com/grisuno/LazyOwn/commit/2e1e3a7… | x_refsource_MISC |
| https://github.com/grisuno/LazyOwn/releases/tag/r… | x_refsource_MISC |
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CVE-2026-68070 (GCVE-0-2026-68070)
Vulnerability from cvelistv5 – Published: 2026-09-15 20:28 – Updated: 2026-09-16 17:55
VLAI
EPSS
VEX
Title
Missing Authentication for Critical Function in Digital Watchdog VMAX DVR and NVR Product Lineups
Summary
The affected products are missing authentication for a critical function, which could allow an attacker to run as root and pass received bytes directly to a system command.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-16 17:55 UTC
CWE
- CWE-306 - Missing authentication for critical function
Assigner
References
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| Digital Watchdog | VMAX A1 G4 DVR |
Affected:
All
|
|
| Digital Watchdog | VMAX IP G4 NVR |
Affected:
All
|
|
| Digital Watchdog | VMAX A1 PLUS |
Affected:
All
|
|
| Digital Watchdog | VA1G4 Recorder |
Affected:
All
|
|
| Digital Watchdog | VG4 Recorder |
Affected:
All
|
Date Public
2026-09-15 18:28
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CVE-2026-67610 (GCVE-0-2026-67610)
Vulnerability from cvelistv5 – Published: 2026-08-03 16:02 – Updated: 2026-08-14 16:50 X_Open Source
VLAI
EPSS
VEX
Title
OpenEMR 8.2.0 OAuth2 Dynamic Client Registration Unauthorized FHIR Access
Summary
OpenEMR through 8.2.0 contains an improper authentication vulnerability in the OAuth2 dynamic client registration endpoint that allows unauthenticated attackers to register a malicious client with system-level FHIR scopes by supplying a self-generated RSA keypair via the jwks field. Once an administrator approves the registered client, attackers can use the client_credentials grant with a self-signed JWT assertion to obtain access tokens granting read access to all FHIR resources across all patients in the system.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-03 16:57 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://jivasecurity.com/writeups/openemr-unauth-… | technical-descriptionexploit |
| https://www.vulncheck.com/advisories/openemr-oaut… | third-party-advisory |
Impacted products
Date Public
2026-08-02 00:00
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CVE-2026-67594 (GCVE-0-2026-67594)
Vulnerability from cvelistv5 – Published: 2026-07-30 19:14 – Updated: 2026-07-31 15:59 X_Open Source
VLAI
EPSS
VEX
Title
Spikster Missing Authentication via API Route Group
Summary
Spikster through commit e1cdf8c contains a missing authentication vulnerability that allows unauthenticated remote attackers to access all API routes by exploiting the unattached CipiAuth middleware, which is registered but never applied to any route in the API routing configuration. Attackers can invoke approximately 50 unprotected API endpoints to enumerate and provision servers, reset root passwords, read and write arbitrary files on the host, and create database users.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-31 15:45 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/yolanmees/Spikster/issues/24 | technical-descriptionissue-tracking |
| https://www.vulncheck.com/advisories/spikster-mis… | third-party-advisory |
Impacted products
Date Public
2026-07-30 00:00
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CVE-2026-67593 (GCVE-0-2026-67593)
Vulnerability from cvelistv5 – Published: 2026-09-10 04:40 – Updated: 2026-09-10 15:51
VLAI
EPSS
VEX
Title
Apache Artemis, Apache Artemis, Apache ActiveMQ Artemis, Apache ActiveMQ Artemis: Pre-authentication Openwire protocol handling can result in queue deletion
Summary
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This issue affects Apache Artemis: from 2.50.0 through 2.56.0; Apache ActiveMQ Artemis: from 1.0.0 through 2.44.0.
Users are recommended to upgrade to version 2.57.0, which fixes the issue.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-10 15:50 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
2 references
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Artemis |
Affected:
2.50.0 , ≤ 2.56.0
(semver)
|
|
| Apache Software Foundation | Apache ActiveMQ Artemis |
Affected:
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(semver)
|
|
| Apache Software Foundation | Apache ActiveMQ Artemis |
Affected:
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"title": "Apache Artemis, Apache Artemis, Apache ActiveMQ Artemis, Apache ActiveMQ Artemis: Pre-authentication Openwire protocol handling can result in queue deletion",
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Mitigation
Architecture and Design
- Divide the software into anonymous, normal, privileged, and administrative areas. Identify which of these areas require a proven user identity, and use a centralized authentication capability.
- Identify all potential communication channels, or other means of interaction with the software, to ensure that all channels are appropriately protected, including those channels that are assumed to be accessible only by authorized parties. Developers sometimes perform authentication at the primary channel, but open up a secondary channel that is assumed to be private. For example, a login mechanism may be listening on one network port, but after successful authentication, it may open up a second port where it waits for the connection, but avoids authentication because it assumes that only the authenticated party will connect to the port.
- In general, if the software or protocol allows a single session or user state to persist across multiple connections or channels, authentication and appropriate credential management need to be used throughout.
Mitigation MIT-15
Architecture and Design
For any security checks that are performed on the client side, ensure that these checks are duplicated on the server side, in order to avoid CWE-602. Attackers can bypass the client-side checks by modifying values after the checks have been performed, or by changing the client to remove the client-side checks entirely. Then, these modified values would be submitted to the server.
Mitigation
Architecture and Design
- Where possible, avoid implementing custom, "grow-your-own" authentication routines and consider using authentication capabilities as provided by the surrounding framework, operating system, or environment. These capabilities may avoid common weaknesses that are unique to authentication; support automatic auditing and tracking; and make it easier to provide a clear separation between authentication tasks and authorization tasks.
- In environments such as the World Wide Web, the line between authentication and authorization is sometimes blurred. If custom authentication routines are required instead of those provided by the server, then these routines must be applied to every single page, since these pages could be requested directly.
Mitigation MIT-4.5
Architecture and Design
Strategy: Libraries or Frameworks
- Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
- For example, consider using libraries with authentication capabilities such as OpenSSL or the ESAPI Authenticator [REF-45].
Mitigation
Implementation
System Configuration
Operation
When storing data in the cloud (e.g., S3 buckets, Azure blobs, Google Cloud Storage, etc.), use the provider's controls to require strong authentication for users who should be allowed to access the data [REF-1297] [REF-1298] [REF-1302].
CAPEC-12: Choosing Message Identifier
This pattern of attack is defined by the selection of messages distributed via multicast or public information channels that are intended for another client by determining the parameter value assigned to that client. This attack allows the adversary to gain access to potentially privileged information, and to possibly perpetrate other attacks through the distribution means by impersonation. If the channel/message being manipulated is an input rather than output mechanism for the system, (such as a command bus), this style of attack could be used to change the adversary's identifier to more a privileged one.
CAPEC-166: Force the System to Reset Values
An attacker forces the target into a previous state in order to leverage potential weaknesses in the target dependent upon a prior configuration or state-dependent factors. Even in cases where an attacker may not be able to directly control the configuration of the targeted application, they may be able to reset the configuration to a prior state since many applications implement reset functions.
CAPEC-216: Communication Channel Manipulation
An adversary manipulates a setting or parameter on communications channel in order to compromise its security. This can result in information exposure, insertion/removal of information from the communications stream, and/or potentially system compromise.
CAPEC-36: Using Unpublished Interfaces or Functionality
An adversary searches for and invokes interfaces or functionality that the target system designers did not intend to be publicly available. If interfaces fail to authenticate requests, the attacker may be able to invoke functionality they are not authorized for.
CAPEC-62: Cross Site Request Forgery
An attacker crafts malicious web links and distributes them (via web pages, email, etc.), typically in a targeted manner, hoping to induce users to click on the link and execute the malicious action against some third-party application. If successful, the action embedded in the malicious link will be processed and accepted by the targeted application with the users' privilege level. This type of attack leverages the persistence and implicit trust placed in user session cookies by many web applications today. In such an architecture, once the user authenticates to an application and a session cookie is created on the user's system, all following transactions for that session are authenticated using that cookie including potential actions initiated by an attacker and simply "riding" the existing session cookie.